Description
A security flaw has been discovered in radareorg radare2 up to 6.1.6. This issue affects the function r_bin_java_inner_classes_attr_calc_size of the file shlr/java/class.c of the component RBinJava Line Number Table Parser. Performing a manipulation results in heap-based buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The patch is named cd62d15a6cbecdc67fd03f3ebdbbbeb741d18f87. To fix this issue, it is recommended to deploy a patch.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| radareorg | radare2 | 6.1.0, 6.1.1, 6.1.2, 6.1.3, 6.1.4, 6.1.5, 6.1.6 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | radare2 | No fix yet | — |
| Ubuntu 26.04 LTS | radare2 | No fix yet | — |
| Ubuntu 25.10 | radare2 | No fix yet | — |
| Ubuntu 16.04 LTS | radare2 | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | radare2 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | radare2 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | radare2 | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | radare2 | 6.2.2-bp160.1.1 | openSUSE-SU-2026:21988-1 |
Advisories 1
- openSUSE-SU-2026:21988-1 Security update for radare2 SUSE / openSUSE Security Updates · Oct 1, 2026
References
- VDB-376348 | radareorg radare2 RBinJava Line Number Table class.c r_bin_java_inner_classes_attr_calc_size heap-based overflow vdb-entry technical-description
- VDB-376348 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-14759 | CVE Analysis and Report third-party-advisory
- Submit #850383 | radareorg radare2 6.1.6 Out-of-Bounds Read third-party-advisory
- https://github.com/radareorg/radare2/issues/26043 exploit issue-tracking
- https://github.com/radareorg/radare2/commit/cd62d15a6cbecdc67fd03f3ebdbbbeb741d18f87 patch
- https://github.com/radareorg/radare2/ product